25380080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:366

約数の個数: 80

約数和(自身を含む): 65138688

約数和(自身を除く): 39758608

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 151, 176, 191, 220, 302, 382, 440, 604, 755, 764, 880, 955, 1208, 1510, 1528, 1661, 1910, 2101, 2416, 3020, 3056, 3322, 3820, 4202, 6040, 6644, 7640, 8305, 8404, 10505, 12080, 13288, 15280, 16610, 16808, 21010, 26576, 28841, 33220, 33616, 42020, 57682, 66440, 84040, 115364, 132880, 144205, 168080, 230728, 288410, 317251, 461456, 576820, 634502, 1153640, 1269004, 1586255, 2307280, 2538008, 3172510, 5076016, 6345020, 12690040, 25380080]

約数ペア:

[(1, 25380080), (2, 12690040), (4, 6345020), (5, 5076016), (8, 3172510), (10, 2538008), (11, 2307280), (16, 1586255), (20, 1269004), (22, 1153640), (40, 634502), (44, 576820), (55, 461456), (80, 317251), (88, 288410), (110, 230728), (151, 168080), (176, 144205), (191, 132880), (220, 115364), (302, 84040), (382, 66440), (440, 57682), (604, 42020), (755, 33616), (764, 33220), (880, 28841), (955, 26576), (1208, 21010), (1510, 16808), (1528, 16610), (1661, 15280), (1910, 13288), (2101, 12080), (2416, 10505), (3020, 8404), (3056, 8305), (3322, 7640), (3820, 6644), (4202, 6040)]